Aisin Drivetrain Inc. manufactures automotive components for Toyota Group in Franklin, IN. To meet growing demands, Aisin Drivetrain chose to expand their operations and sought a resilient building envelope solution that could provide design flexibility. County Prestress’ Insulated Sandwich Walls proved ideal for the facility’s expansion. Insulated sandwich walls offer design flexibility and increase installation speed. County Prestress manufactured more than 150 insulated sandwich wall panels, 51,000 SF of prestressed concrete, to complement Aisin Drivetrain’s existing structure, emulating its characteristics.